IBM BlueMix is IBM's new PaaS environment.
Learn more on this link. And if you want to do some background reading on PaaS and how it is revolutioinazing app development in the cloud, what better book to read than Lucas Carlson's Programming for Paas.?
If you have any questions about IBM BlueMix just reach out to your neighborhood IBM Innovation Center or let us here at the IBM Innovation Center in Silicon Valley know.